1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
|
// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Collections.Generic;
using System.IO;
using System.Web.Routing;
using System.Web.TestUtil;
using Moq;
using Xunit;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Web.Mvc.Test
{
public class ViewResultTest
{
private const string _viewName = "My cool view.";
private const string _masterName = "My cool master.";
[Fact]
public void EmptyViewNameUsesActionNameAsViewName()
{
// Arrange
ControllerBase controller = new Mock<ControllerBase>().Object;
HttpContextBase httpContext = CreateHttpContext();
RouteData routeData = new RouteData();
routeData.Values["action"] = _viewName;
ControllerContext context = new ControllerContext(httpContext, routeData, controller);
Mock<IViewEngine> viewEngine = new Mock<IViewEngine>(MockBehavior.Strict);
Mock<IView> view = new Mock<IView>(MockBehavior.Strict);
List<IViewEngine> viewEngines = new List<IViewEngine>();
viewEngines.Add(viewEngine.Object);
Mock<ViewEngineCollection> viewEngineCollection = new Mock<ViewEngineCollection>(MockBehavior.Strict, viewEngines);
ViewResult result = new ViewResultHelper { ViewEngineCollection = viewEngineCollection.Object };
viewEngineCollection
.Setup(e => e.FindView(It.IsAny<ControllerContext>(), _viewName, _masterName))
.Returns(new ViewEngineResult(view.Object, viewEngine.Object));
viewEngine
.Setup(e => e.FindView(It.IsAny<ControllerContext>(), _viewName, _masterName, It.IsAny<bool>()))
.Callback<ControllerContext, string, string, bool>(
(controllerContext, viewName, masterName, useCache) =>
{
Assert.Same(httpContext, controllerContext.HttpContext);
Assert.Same(routeData, controllerContext.RouteData);
})
.Returns(new ViewEngineResult(view.Object, viewEngine.Object));
view
.Setup(o => o.Render(It.IsAny<ViewContext>(), httpContext.Response.Output))
.Callback<ViewContext, TextWriter>(
(viewContext, writer) =>
{
Assert.Same(view.Object, viewContext.View);
Assert.Same(result.ViewData, viewContext.ViewData);
Assert.Same(result.TempData, viewContext.TempData);
Assert.Same(controller, viewContext.Controller);
});
viewEngine
.Setup(e => e.ReleaseView(context, It.IsAny<IView>()))
.Callback<ControllerContext, IView>(
(controllerContext, releasedView) => { Assert.Same(releasedView, view.Object); });
// Act
result.ExecuteResult(context);
// Assert
viewEngine.Verify();
viewEngineCollection.Verify();
view.Verify();
}
[Fact]
public void EngineLookupFailureThrows()
{
// Arrange
ControllerBase controller = new Mock<ControllerBase>().Object;
HttpContextBase httpContext = CreateHttpContext();
RouteData routeData = new RouteData();
routeData.Values["action"] = _viewName;
ControllerContext context = new ControllerContext(httpContext, routeData, controller);
Mock<IViewEngine> viewEngine = new Mock<IViewEngine>(MockBehavior.Strict);
List<IViewEngine> viewEngines = new List<IViewEngine>();
viewEngines.Add(viewEngine.Object);
Mock<ViewEngineCollection> viewEngineCollection = new Mock<ViewEngineCollection>(MockBehavior.Strict, viewEngines);
ViewResult result = new ViewResultHelper { ViewEngineCollection = viewEngineCollection.Object };
viewEngineCollection
.Setup(e => e.FindView(It.IsAny<ControllerContext>(), _viewName, _masterName))
.Returns(new ViewEngineResult(new[] { "location1", "location2" }));
viewEngine
.Setup(e => e.FindView(It.IsAny<ControllerContext>(), _viewName, _masterName, It.IsAny<bool>()))
.Callback<ControllerContext, string, string, bool>(
(controllerContext, viewName, masterName, useCache) =>
{
Assert.Same(httpContext, controllerContext.HttpContext);
Assert.Same(routeData, controllerContext.RouteData);
})
.Returns(new ViewEngineResult(new[] { "location1", "location2" }));
// Act & Assert
Assert.Throws<InvalidOperationException>(
() => result.ExecuteResult(context),
@"The view '" + _viewName + @"' or its master was not found or no view engine supports the searched locations. The following locations were searched:
location1
location2");
viewEngine.Verify();
viewEngineCollection.Verify();
}
[Fact]
public void EngineLookupSuccessRendersView()
{
// Arrange
ControllerBase controller = new Mock<ControllerBase>().Object;
HttpContextBase httpContext = CreateHttpContext();
RouteData routeData = new RouteData();
ControllerContext context = new ControllerContext(httpContext, routeData, controller);
Mock<IViewEngine> viewEngine = new Mock<IViewEngine>(MockBehavior.Strict);
Mock<IView> view = new Mock<IView>(MockBehavior.Strict);
List<IViewEngine> viewEngines = new List<IViewEngine>();
viewEngines.Add(viewEngine.Object);
Mock<ViewEngineCollection> viewEngineCollection = new Mock<ViewEngineCollection>(MockBehavior.Strict, viewEngines);
ViewResult result = new ViewResultHelper { ViewName = _viewName, ViewEngineCollection = viewEngineCollection.Object };
view
.Setup(o => o.Render(It.IsAny<ViewContext>(), httpContext.Response.Output))
.Callback<ViewContext, TextWriter>(
(viewContext, writer) =>
{
Assert.Same(view.Object, viewContext.View);
Assert.Same(result.ViewData, viewContext.ViewData);
Assert.Same(result.TempData, viewContext.TempData);
Assert.Same(controller, viewContext.Controller);
});
viewEngineCollection
.Setup(e => e.FindView(It.IsAny<ControllerContext>(), _viewName, _masterName))
.Returns(new ViewEngineResult(view.Object, viewEngine.Object));
viewEngine
.Setup(e => e.FindView(It.IsAny<ControllerContext>(), _viewName, _masterName, It.IsAny<bool>()))
.Callback<ControllerContext, string, string, bool>(
(controllerContext, viewName, masterName, useCache) =>
{
Assert.Same(httpContext, controllerContext.HttpContext);
Assert.Same(routeData, controllerContext.RouteData);
})
.Returns(new ViewEngineResult(view.Object, viewEngine.Object));
viewEngine
.Setup(e => e.ReleaseView(context, It.IsAny<IView>()))
.Callback<ControllerContext, IView>(
(controllerContext, releasedView) => { Assert.Same(releasedView, view.Object); });
// Act
result.ExecuteResult(context);
// Assert
viewEngine.Verify();
viewEngineCollection.Verify();
view.Verify();
}
[Fact]
public void ExecuteResultWithExplicitViewObject()
{
// Arrange
ControllerBase controller = new Mock<ControllerBase>().Object;
HttpContextBase httpContext = CreateHttpContext();
RouteData routeData = new RouteData();
routeData.Values["action"] = _viewName;
ControllerContext context = new ControllerContext(httpContext, routeData, controller);
Mock<IView> view = new Mock<IView>(MockBehavior.Strict);
ViewResult result = new ViewResultHelper { View = view.Object };
view
.Setup(o => o.Render(It.IsAny<ViewContext>(), httpContext.Response.Output))
.Callback<ViewContext, TextWriter>(
(viewContext, writer) =>
{
Assert.Same(view.Object, viewContext.View);
Assert.Same(result.ViewData, viewContext.ViewData);
Assert.Same(result.TempData, viewContext.TempData);
Assert.Same(controller, viewContext.Controller);
});
// Act
result.ExecuteResult(context);
// Assert
view.Verify();
}
[Fact]
public void ExecuteResultWithNullControllerContextThrows()
{
// Arrange
ViewResult result = new ViewResultHelper();
// Act & Assert
Assert.ThrowsArgumentNull(
() => result.ExecuteResult(null),
"context");
}
[Fact]
public void MasterNameProperty()
{
// Arrange
ViewResult result = new ViewResult();
// Act & Assert
MemberHelper.TestStringProperty(result, "MasterName", String.Empty);
}
private static HttpContextBase CreateHttpContext()
{
Mock<HttpContextBase> mockHttpContext = new Mock<HttpContextBase>();
mockHttpContext.Setup(c => c.Response.Output).Returns(TextWriter.Null);
return mockHttpContext.Object;
}
private class ViewResultHelper : ViewResult
{
public ViewResultHelper()
{
ViewEngineCollection = new ViewEngineCollection(new IViewEngine[] { new WebFormViewEngine() });
MasterName = _masterName;
}
}
}
}
|
